tree 34d267377646e3de1f5744337d3b3ffce3e36a0d
parent 7e46a4dc841f635e45b8e8739338de407621667d
author Damjan Marion <damarion@cisco.com> 1476345739 +0200
committer Ole Trøan <otroan@employees.org> 1476355513 +0000

vhost-user: Add reconnect support

QEMU 2.7 introduces reconnect support. However it doesn't send
last state of last_avail_idx in the SET_VRING_BASE.

With this patch we are overriding SET_VRING_BASE with value taken
from used->idx.

It is a bit hackish as it basically overrides SET_VRING_BASE
provided value but it should work in most of the cases.
This is what author of reconnect code is also suggesting in his post:

https://lists.gnu.org/archive/html/qemu-devel/2016-06/msg01495.html

Change-Id: I10e5f401c409d2989bf6c43eaea377800a9c76df
Signed-off-by: Damjan Marion <damarion@cisco.com>